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公开(公告)号：US5956554A
公开(公告)日：1999-09-21
申请号：US620303
申请日：1996-03-22
CPC分类号： G03G15/2064 , G03G15/2032 , G03G2215/00455
摘要： A printer has one or more fans in the vicinity of a fixing device to blow air directly onto a continuous form when printing is stopped and when rollers in the fixing device are separated. The fan or fans can be provided on a pressure roller side of the continuous form, in which case the continuous form shields a heat roller from the air flow of the fans. In the alternative, the fan or fans can be on the heat roller side, in which case a shield extending along the circumference of the heat roller, duct, or both is used to protect the heat roller from the air flow and/or the continuous form from direct heat radiation. A pair of rollers are disposed downstream of the fixing device and are rotated while the continuous form is stopped so as to maintain tension on the continuous form.
摘要翻译： 打印机在定影装置附近具有一个或多个风扇，当打印停止时和定影装置中的辊分离时，将空气直接吹送到连续的形式上。 风扇或风扇可以设置在连续形式的压力辊侧，在这种情况下，连续形式可以将风扇的风道挡住加热辊。 在替代方案中，风扇或风扇可以在加热辊侧上，在这种情况下，沿着加热辊，管道或两者的圆周延伸的屏蔽件用于保护加热辊免受气流和/或连续的 形式从直接热辐射。 一对辊设置在固定装置的下游，并且在连续形式停止的同时旋转，以保持连续形式的张力。
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公开(公告)号：US5842100A
公开(公告)日：1998-11-24
申请号：US906263
申请日：1997-08-05
申请人： Tsukasa Yanashima , Masatoshi Takano , Tomoyuki Nishikawa , Tsutomu Sato , Kasumi Yamamoto , Yutaka Ishikawa
发明人： Tsukasa Yanashima , Masatoshi Takano , Tomoyuki Nishikawa , Tsutomu Sato , Kasumi Yamamoto , Yutaka Ishikawa
CPC分类号： G03G15/2035 , G03G15/2032 , G03G2215/00459
摘要： A fixing unit includes a heat roller accommodating a heater and a press roller movable toward and away from the heat roller. Both shaft members of the heat roller are supported by two receiving members, with a clearance provided between each shaft member and respective receiving member. A driven gear is provided to one of the shaft member, which engages a rotating mechanism for rotating the heat roller. The fixing unit further includes a biasing member which biases the other shaft of the heat roller away from the press roller within the clearance, in such a manner that the heat roller and the press roller become parallel when the above-described one shaft member is urged away from the press roller due to the meshing engagement of the driven gear and the rotating mechanism.
摘要翻译： 定影单元包括容纳加热器的加热辊和可朝向和远离加热辊移动的加压辊。 加热辊的两个轴构件由两个接收构件支撑，每个轴构件和相应的接收构件之间具有间隙。 从动齿轮设置在轴构件中的一个上，该轴构件接合用于旋转加热辊的旋转机构。 定影单元还包括偏置构件，该偏置构件使加热辊的另一个轴偏离压辊在间隙内，使得当上述一个轴构件被推动时加热辊和压辊变平行 由于从动齿轮和旋转机构的啮合而远离压辊。
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公开(公告)号：US5926680A
公开(公告)日：1999-07-20
申请号：US892663
申请日：1997-07-14
申请人： Kasumi Yamamoto , Masatoshi Takano , Tomoyuki Nishikawa , Tsutomu Sato , Tsukasa Yanashima , Yutaka Ishikawa , Hiroyuki Saito
发明人： Kasumi Yamamoto , Masatoshi Takano , Tomoyuki Nishikawa , Tsutomu Sato , Tsukasa Yanashima , Yutaka Ishikawa , Hiroyuki Saito
IPC分类号： G03G15/20
CPC分类号： G03G15/2053 , G03G15/2032 , G03G15/206
摘要： A fixing unit, used for fixing images on a recording sheet, includes a heat roller accommodating a heater, and a press roller movable between a retracted position and an operating position. The heat roller is rotated by a driving mechanism. A moving mechanism opens and closes a gap between the press roller and the heat roller by moving the press roller between the retracted position and the operating position. An assist gear rotates the press roller in a predetermined direction when the opening/closing mechanism moves the press roller toward the operating position.
摘要翻译： 用于将图像定影在记录片材上的定影单元包括容纳加热器的加热辊和可在缩回位置和操作位置之间移动的压辊。 加热辊由驱动机构旋转。 移动机构通过在缩回位置和操作位置之间移动压辊来打开和关闭压辊和加热辊之间的间隙。 当打开/关闭机构将加压辊移动到操作位置时，辅助齿轮沿预定方向旋转压辊。
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公开(公告)号：US5835835A
公开(公告)日：1998-11-10
申请号：US906261
申请日：1997-08-05
申请人： Tomoyuki Nishikawa , Masatoshi Takano , Kasumi Yamamoto , Tsutomu Sato , Tsukasa Yanashima , Hiroyuki Saito
发明人： Tomoyuki Nishikawa , Masatoshi Takano , Kasumi Yamamoto , Tsutomu Sato , Tsukasa Yanashima , Hiroyuki Saito
CPC分类号： G03G15/2035 , G03G15/2032 , G03G2215/00459 , G03G2215/20
摘要： A fixing unit includes a heat roller accommodating a heater and a press roller movable between an operating position in which the recording sheet is nipped by the rollers and a retracted position. A driven gear is provided to one axial end of heat roller, which engages a rotating mechanism for rotating the heat roller. An opening/closing mechanism is arranged to move a first axial end (at the same side as the driven gear of the heat roller) of said press roller to said operating position before moving a second axial end of the press roller to the operating position.
摘要翻译： 定影单元包括容纳加热器的加热辊和可在记录纸被辊夹持的操作位置和缩回位置之间移动的加压辊。 从动齿轮设置在加热辊的一个轴向端部，该轴线端与旋转机构接合，以旋转加热辊。 打开/关闭机构被布置成在将压辊的第二轴向端移动到操作位置之前，将所述压辊的第一轴向端（与加热辊的从动齿轮相同的一侧）移动到所述操作位置。
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公开(公告)号：US5787321A
公开(公告)日：1998-07-28
申请号：US795688
申请日：1997-02-04
IPC分类号： G03G15/20
CPC分类号： G03G15/2042
摘要： A temperature controlling device for an electrophotographic imaging device which has a fixing unit including a heat roller, the fixing unit performing a fixing operation in which toner is fixed on a recording sheet. The temperature controlling device includes a temperature sensing system, arranged about an outer surface of the heat roller such that, for the purpose of temperature measurement, the heat roller is divided into a plurality of areas along a rotational axis of the heat roller, and a temperature of each area is detected by the temperature sensing system; an air blowing system which blows air to each of the plurality of areas separately; and a controller which controls the air blowing system to blow air in accordance with temperatures of the plurality of areas in order to prevent overheating of any portions of the heat roller.
摘要翻译： 一种用于电子照相成像装置的温度控制装置，其具有包括加热辊的定影单元，所述定影单元执行调色剂固定在记录片材上的定影操作。 温度控制装置包括温度检测系统，其布置在加热辊的外表面上，使得为了温度测量的目的，加热辊沿着加热辊的旋转轴线分成多个区域，并且 每个区域的温度由温度感测系统检测; 吹送系统，其分别向多个区域中的每一个吹送空气; 以及控制器，其控制吹气系统根据多个区域的温度吹送空气，以防止加热辊的任何部分的过热。
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公开(公告)号：US5493377A
公开(公告)日：1996-02-20
申请号：US341967
申请日：1994-11-14
CPC分类号： G03G15/2028 , G03G2215/00459
摘要： An electrophotographic printer includes a fixing unit having a movable pressure roller, movable toward and away from a heat roller. The heat roller of the fixing unit is above a plane formed between a pair of discharge rollers and a tractor, so that the paper path between the tractor and the discharge rollers is straight when the pressure roller is retracted, and the paper path is bent when the pressure roller is moved to contact the heat roller. The paper path is bent by a guide member upstream of the pressure roller so that the path is not bent around the pressure roller itself.
摘要翻译： 电子照相打印机包括具有可移动的压力辊的定影单元，该可移动的压力辊可朝向和远离加热辊移动。 定影单元的加热辊在形成在一对排出辊和拖拉机之间的平面之上，因此当加压辊缩回时，拖拉机和排出辊之间的纸通道是直的，并且当纸张路径弯曲时 压力辊移动以接触加热辊。 纸张路径被压力辊上游的引导构件弯曲，使得路径不会围绕加压辊本身弯曲。
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公开(公告)号：US5893021A
公开(公告)日：1999-04-06
申请号：US917335
申请日：1997-08-25
申请人： Tsukasa Yanashima
发明人： Tsukasa Yanashima
CPC分类号： G03G15/6526 , B65H20/20 , B65H2511/514 , B65H2511/52 , B65H2513/41 , G03G2215/00459
摘要： In a continuous form printer, a passage of the leading edge of the sheet is detected by a top sensor located along a feeding path thereof. If the top sensor detects the leading edge of the sheet while the sheet is fed in a reverse direction, the control unit of the printer determines whether the detection of the leading edge by the top sensor is correct or not, by feeding the sheet once in the forward direction and then feeding the sheet in the reverse direction and by checking whether the top sensor again detects the leading edge of the sheet being fed in the reverse direction.
摘要翻译： 在连续形式的打印机中，片材的前缘的通道由位于其馈送路径的顶部传感器检测。 如果顶部传感器检测到纸张沿相反方向进给时的纸张前缘，则打印机的控制单元通过将纸张一次送入，确定顶部传感器的前缘检测是否正确 向前方向，然后反向进给纸张，并且通过检查顶部传感器是否再次检测到沿相反方向进给的纸张的前端。
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公开(公告)号：US5758247A
公开(公告)日：1998-05-26
申请号：US618804
申请日：1996-03-20
CPC分类号： G03G15/164 , G03G2215/00455 , G03G2215/1609
摘要： A charge removing member is arranged just upstream of an image transfer area along a continuous form transport path, between the last guiding portion and the transfer area, to remove accumulated charge on the continuous form. The charge removing member is alternatively a brush contactable to the form, a non-contact conductive member, a brush movable toward and away from the form, or a brush that acts as a guide member. Further alternatively, the brush contacts the form only during reverse feeding of the form, and in this case, is alternatively movable toward and away from the form, movable toward and away from the form in association with a transfer unit, or positioned to contact a straight form while being out of contact with a form bent by a transfer unit.
摘要翻译： 电荷去除部件沿着连续形式传送路径在最后的引导部分和传送区域之间的图像传送区域的正上方布置，以消除连续形式上的累积电荷。 电荷去除构件可选地是可与该形式接触的刷子，非接触导电构件，可朝向和远离形式移动的刷子，或用作引导构件的刷子。 或者，刷子仅在形式的反向馈送期间接触该形式，并且在这种情况下，可替代地可移动地朝向和远离形状移动，可移动地朝向和远离与传送单元相关联的形式移动，或者定位成接触 与转移单元弯曲的形式脱离接触时的直线形式。
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公开(公告)号：US5592278A
公开(公告)日：1997-01-07
申请号：US340336
申请日：1994-11-14
CPC分类号： G03G15/164 , G03G2215/00459
摘要： A continuous form electrophotographic printer is provided with a guiding member upstream of a photoconductive drum. The electrophotographic printer retracts paper after it has once passed a fixing unit and been heated, and the guiding unit is provided with an urging member to smooth distorted or wrinkled paper.
摘要翻译： 连续形式的电子照相打印机在感光鼓的上游设置有引导构件。 电子照相打印机在经过定影单元并被加热之后缩回纸张，并且引导单元设置有推动构件以平滑变形或起皱的纸张。
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